A portable rapid detector for pesticide residues in food

Abstract

This utility model discloses a portable rapid detector for pesticide residues in food, comprising: a sample container, a tube head integrally installed on the top of the sample container, and a top cover installed above the tube head. A threaded sleeve is fixedly connected to the bottom surface of the top cover, and a docking hole is hollowed out in the middle of the top cover. A cap is installed on the top of the top cover by connecting bolts, and a reagent tube is installed inside the docking hole. The reagent tube is continuously fed into the sample container through the threaded connection structure between the top cover and the sample container. A rubber stopper is provided at the bottom of the reagent tube. Inserting the tube will puncture the rubber stopper at the bottom of the reagent tube. A through hole is provided on the surface of the inserting tube. After the inserting tube is inserted into the reagent tube, the reagent will flow into the sample container through the through hole on the surface of the inserting tube. After shaking the sample container, the reagent comes into contact with the agricultural product sample. Pesticide residues will cause the reagent to produce a color reaction. The color reaction is observed through the observation window on the surface of the sample container. The presence of pesticide residues can be quickly determined after the color reaction occurs.

Description

Technical Field

[0001] This utility model relates to the technical field of pesticide residue detection equipment for agricultural products, specifically a portable rapid detector for pesticide residues in food. Background Technology

[0002] Agricultural products are goods produced in agriculture, such as sorghum, rice, peanuts, corn, wheat, and local specialties. National regulations define primary agricultural products as plants, animals, and their products obtained from agricultural activities, excluding processed products. Pesticides specifically refer to agents used in agriculture to control pests and diseases, regulate plant growth, and control weeds. Based on their source, pesticides can be categorized as organic pesticides, inorganic pesticides, plant-based pesticides, and microbial pesticides. In addition, there are insect hormones. During pesticide residue testing of agricultural products, pesticide residue testing kits are often needed to hold test strips or reagents. Common pesticide residue testing kits are inconvenient to carry, and staff cannot adjust their size according to the amount of items they are carrying. This often requires considerable effort from staff to carry the kits, significantly increasing their burden.

[0003] A portable pesticide residue testing kit for agricultural products is disclosed in CN208131074U. It includes a fixed outer shell, a movable plate movably connected to the inner wall of the fixed outer shell, an opening at the bottom of the movable plate, a limiting plate fixedly connected to the inner wall of the fixed outer shell above the movable plate, and a movable outer shell fixedly connected to the top of the movable plate. This invention, through the cooperation of the fixed outer shell, movable plate, limiting plate, movable outer shell, adjusting plate, rotating rod, rotating block, threaded rod, rotating block, rotating groove, blocking shell, compression plate, movable plate, telescopic rod, and spring, makes the testing kit easy to carry. Workers can adjust the volume of the testing kit according to the amount of items carried, reducing the carrying burden on workers, occupying less transportation and storage space, reducing the possibility of collisions between the testing kit and other items, avoiding unnecessary economic losses, and bringing great convenience to workers.

[0004] In the process of testing agricultural products, a series of tests are usually conducted using specific reagents. These reagents can help testers quickly and accurately determine whether agricultural products contain pesticide residues through colorimetric reactions. However, pesticide residue testing equipment currently on the market is often bulky, which makes them inconvenient to carry and use. To solve this problem, the aforementioned portable agricultural product pesticide residue testing kit significantly improves the portability of the equipment through its box structure design. By changing the traditional carrying method, it makes the testing equipment lighter and easier to carry. Nevertheless, even after adopting the box structure, the size of the testing equipment is still relatively large, and it has not been fundamentally reduced. Furthermore, the added box structure actually increases the weight of the entire testing device, which undoubtedly brings additional burden to carrying and moving. This makes the design, which was originally intended to improve portability, reduce the convenience of carrying the equipment to some extent.

[0005] Therefore, those skilled in the art have provided a portable rapid detection instrument for pesticide residues in food to solve the problems mentioned in the background art. Utility Model Content

[0006] The purpose of this invention is to provide a portable rapid detector for pesticide residues in food, in order to solve the problem mentioned in the background art that existing pesticide residue detection devices are not easy to carry and are not conducive to rapid detection.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A portable rapid detector for pesticide residues in food includes: a sample container, a tube head integrally mounted on the top of the sample container, a top cover mounted above the tube head, a threaded sleeve fixedly connected to the bottom surface of the top cover, a docking hole hollowed out in the center of the top cover, a cap top mounted on the top of the top cover by connecting bolts, a reagent tube installed inside the docking hole, a rubber stopper fixedly installed at the bottom of the reagent tube, a funnel fixedly installed inside the sample container, and an insert tube fixedly installed in the center of the funnel.

[0009] As a further improvement of this utility model: the top end of the reagent tube is threaded with a sealing cap, and the outer wall of the top end of the reagent tube is configured with a threaded structure.

[0010] As a further improvement of this utility model: the reagent tube and the docking hole are connected by a threaded structure, and the top cover is connected to the tube head at the upper end of the sample container by a threaded sleeve.

[0011] As a further improvement of this utility model: the bottom of the sample container is provided with a threaded cap, and the outer edge of the sample container is rotatably connected with a handle.

[0012] As a further improvement of this utility model: an observation window is fixedly provided on the surface of the sample barrel, and a transparent inner lining plate is integrally fixed on the inner wall of the sample barrel.

[0013] As a further improvement of this utility model: the insertion tube and the rubber stopper at the bottom of the reagent tube are located on the same vertical line, and the surface of the insertion tube is provided with a through hole that communicates with the inside of the sample container.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The sample container features a threaded connection between the tube head at the top and the top cover. The reagent tube is installed in the mating hole inside the top cover, and then inserted into the sample container. The threaded connection allows the reagent tube to be continuously fed into the sample container. A rubber stopper is located at the bottom of the reagent tube; inserting the tube will puncture this stopper. A through-hole on the surface of the through-hole allows the reagent to flow into the sample container. After shaking the sample container, the reagent comes into contact with the agricultural product sample. Pesticide residues will cause a color reaction, which can be observed through the observation window on the surface of the sample container. The presence of a color reaction facilitates rapid detection of pesticide residues, allowing for convenient sample collection for further testing. Furthermore, the sample container and top cover work together seamlessly, with the reagent tube mounted on the top cover. The entire structure is highly compact and small, adding no extra weight, and can be easily carried by hand, making it highly portable. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a portable rapid detector for pesticide residues in food.

[0017] Figure 2 This is a schematic diagram of the sample container structure in a portable rapid detection instrument for pesticide residues in food.

[0018] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the sample container in a portable rapid detection instrument for pesticide residues in food.

[0019] Figure 4 This is a schematic diagram of the reagent tube structure in a portable rapid detector for pesticide residues in food.

[0020] In the diagram: 1. Sample container; 2. Handle; 3. Tube end; 4. Observation window; 5. Top cover; 6. Threaded sleeve; 7. Connecting hole; 8. Top cover; 9. Threaded cap; 10. Reagent tube; 11. Transparent inner liner; 12. Funnel; 13. Insert tube; 14. Rubber stopper; 15. Sealing cap. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 This utility model provides a portable rapid detector for pesticide residues in food, including: a sample container 1, a threaded cap 9 at the bottom of the sample container 1, a handle 2 rotatably connected to the outer edge of the sample container 1, an observation window 4 fixedly opened on the surface of the sample container 1, and a transparent inner liner 11 integrally fixedly provided on the inner wall of the sample container 1.

[0023] Specifically, the bottom of the sample container 1 is threaded with a threaded cap 9. After opening the threaded cap 9, the agricultural product sample is placed into the sample container 1 from the bottom. Then, the threaded cap 9 is screwed on. Then, the reagent tube 10 is installed on the top cover 5, allowing the reagent to flow into the interior of the sample container 1. After the reagent reacts with the pesticide residue on the agricultural product, a color reaction occurs. Since the inner wall of the sample container 1 is equipped with a transparent inner liner 11, the color reaction inside can be observed through the observation window 4, thereby quickly detecting pesticide residues.

[0024] The top of the sample container 1 is integrally installed with a tube head 3, and a top cover 5 is installed above the tube head 3. A threaded sleeve 6 is fixedly connected to the bottom surface of the top cover 5. A docking hole 7 is hollowed out in the middle of the top cover 5. A cap 8 is installed on the top of the top cover 5 by connecting bolts. A reagent tube 10 is installed inside the docking hole 7, and a rubber stopper 14 is fixedly installed at the bottom of the reagent tube 10. A funnel 12 is fixedly installed inside the sample container 1, and an insertion tube 13 is fixedly installed in the middle of the funnel 12. A sealing cap 15 is threaded on the top of the reagent tube 10, and the outer wall of the top of the reagent tube 10 is set with a threaded structure. The reagent tube 10 and the docking hole 7 are connected by a threaded structure. The top cover 5 is connected to the tube head 3 at the top of the sample container 1 by the threaded sleeve 6. The insertion tube 13 and the rubber stopper 14 at the bottom of the reagent tube 10 are located on the same vertical line, and a through hole communicating with the inside of the sample container 1 is opened on the surface of the insertion tube 13.

[0025] Specifically, the test reagent is placed in the reagent tube 10. The outer wall of the top of the reagent tube 10 is provided with a threaded structure, which forms a threaded connection with the mating hole 7 inside the top cover 5. During testing, the reagent tube 10 is first installed at the bottom of the top cover 5. In addition, a threaded sleeve 6 is provided at the bottom of the top cover 5. The threaded sleeve 6 forms a threaded connection with the tube head 3 at the top of the sample container 1. The outer wall of the threaded sleeve 6 is provided with a threaded structure, and the inner wall of the tube head 3 is provided with a threaded structure that matches the threaded sleeve 6. The top cover 5 is rotated using the threaded structure, so that the top cover 5 is downward. During the downward process, the reagent tube 10 will continuously enter the interior of the sample container 1 until the insertion tube 13 inside the sample container 1 is inserted into the rubber stopper 14. The surface of the insertion tube 13 is provided with a through hole. The insertion tube 13 is inserted into the interior of the reagent tube 10. The through hole on the surface of the insertion tube 13 is connected to the interior of the sample container 1, so that the reagent can flow into the sample container 1 through the through hole.

[0026] The working principle of this utility model is as follows:

[0027] When using this utility model, the agricultural product sample is first placed inside the sample container 1. A threaded cap 9 is threadedly connected to the bottom of the sample container 1, sealing the bottom. A handle 2 is rotatably connected to the outer edge of the sample container 1 for easy lifting. An observation window 4 is fixedly opened on the surface of the sample container 1, and a transparent inner liner 11 is integrally fixed to the inner wall of the sample container 1. The transparent inner liner 11 is made of transparent material, facilitating observation of the inside of the sample container 1. The reagent tube 10 contains the test reagent. A threaded structure is provided on the top outer wall of the reagent tube 10, forming a threaded connection with the mating hole 7 inside the top cover 5. A rubber stopper 14 is fixedly installed at the bottom of the reagent tube 10. A funnel 12 is fixedly installed inside the sample container 1. An insert tube 13 is fixedly installed in the middle of the inside of the container 12. The insert tube 13 and the rubber stopper 14 at the bottom of the reagent tube 10 are on the same vertical line. During the test, the reagent tube 10 is first installed at the bottom of the top cover 5. The top cover 5 is connected to the tube head 3 at the top of the sample container 1 by a threaded sleeve 6. The top cover 5 is rotated by the threaded structure so that the top cover 5 is facing down. The reagent tube 10 will enter the inside of the sample container 1 until the insert tube 13 inside the sample container 1 is inserted into the rubber stopper 14. The insert tube 13 is inserted into the inside of the reagent tube 10. The reagent flows into the sample container 1 through the through hole on the surface of the insert tube 13. After the reagent reacts with the pesticide residue on the agricultural product, the color development is observed through the observation window 4 because the inner wall of the sample container 1 is provided with a transparent inner liner 11. This allows for rapid detection of pesticide residue.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A portable rapid detector for pesticide residues in food, characterized in that, include: ​ The sample container (1) has a tube head (3) integrally installed on the top, and a top cover (5) is installed above the tube head (3). A threaded sleeve (6) is fixedly connected to the bottom surface of the top cover (5). A docking hole (7) is hollowed out in the middle of the top cover (5). A cap top (8) is installed on the top of the top cover (5) by connecting bolts. A reagent tube (10) is installed inside the docking hole (7), and a rubber stopper (14) is fixedly installed at the bottom of the reagent tube (10). A funnel (12) is fixedly installed inside the sample container (1), and an insertion tube (13) is fixedly installed in the middle of the inside of the funnel (12).

2. The portable pesticide residue rapid detector for food according to claim 1, characterized in that, The reagent tube (10) is threaded with a sealing cap (15) at its top end, and the outer wall of the top end of the reagent tube (10) is configured with a threaded structure.

3. The portable pesticide residue rapid detector for food according to claim 1, characterized in that, The reagent tube (10) and the docking hole (7) are connected by a threaded structure, and the top cover (5) is connected to the tube head (3) at the upper end of the sample container (1) by a threaded sleeve (6).

4. The portable pesticide residue rapid detector for food according to claim 1, characterized in that, The bottom of the sample container (1) is provided with a threaded cap (9), and the outer edge of the sample container (1) is rotatably connected with a handle (2).

5. The portable pesticide residue rapid detector for food according to claim 1, characterized in that, The sample container (1) has an observation window (4) fixedly opened on its surface, and a transparent inner liner (11) is integrally fixedly installed on the inner wall of the sample container (1).

6. The portable pesticide residue rapid detector for food according to claim 1, characterized in that, The insertion tube (13) and the rubber stopper (14) at the bottom of the reagent tube (10) are located on the same vertical line, and the surface of the insertion tube (13) is provided with a through hole that communicates with the inside of the sample container (1).

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